Ultra 9 285K vs Ultra 7 155U

VS

Aggregate performance score

Core Ultra 7 155U
2023
12 cores / 14 threads, 15 Watt
10.53
Core Ultra 9 285K
2024
24 cores / 24 threads, 125 Watt
43.04
+309%

Core Ultra 9 285K outperforms Core Ultra 7 155U by a whopping 309% based on our aggregate benchmark results.

Primary details

Comparing Core Ultra 7 155U and Core Ultra 9 285K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking74354
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data74.27
Market segmentLaptopDesktop processor
SeriesIntel Meteor Lake-Uno data
Power efficiency66.3932.56
Architecture codenameMeteor Lake-P (2023)Arrow Lake-S (2024−2025)
Release date14 December 2023 (1 year ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$490$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core Ultra 7 155U and Core Ultra 9 285K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores12 (Dodeca-Core)24 (Tetracosa-Core)
Threads1424
Base clock speed1.7 GHz3.7 GHz
Boost clock speed4.8 GHz5.6 GHz
Bus rateno data250 MHz
L1 cache112 KB (per core)112 KB (per core)
L2 cache2 MB (per core)3 MB (per core)
L3 cache12 MB (shared)36 MB (shared)
Chip lithographyIntel 4 nm3 nm
Die sizeno data243 mm2
Maximum core temperature110 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Unlocked multiplier-+

Compatibility

Information on Core Ultra 7 155U and Core Ultra 9 285K compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCBGA2049FCLGA1851
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155U and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technologyno data2.0
Hyper-Threading Technology+no data
TSX++
Idle Statesno data+
Thermal Monitoring++
Flex Memory Access+no data
SIPP-+
Turbo Boost Max 3.0-+
Deep Learning Boost++
Supported AI Software FrameworksOpenVINO™, WindowsML, ONNX RTOpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

Core Ultra 7 155U and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155U and Core Ultra 9 285K are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155U and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5-6400
Maximum memory size96 GB192 GB
Max memory channels22
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® GraphicsIntel® Graphics
Quick Sync Video++
Graphics max frequency1.95 GHz2 GHz

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155U and Core Ultra 9 285K integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155U and Core Ultra 9 285K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP3840x2400 @ 120Hz4K @ 60Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz8K @ 60Hz

Graphics API support

APIs supported by Core Ultra 7 155U and Core Ultra 9 285K integrated GPUs, sometimes API versions are included.

DirectX12.212
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155U and Core Ultra 9 285K.

PCIe version4.05.0 and 4.0
PCI Express lanes1220
PCI support4.0no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ultra 7 155U 10.53
Ultra 9 285K 43.04
+309%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ultra 7 155U 16731
Ultra 9 285K 68370
+309%

Geekbench 5.5 Multi-Core

Ultra 7 155U 7927
Ultra 9 285K 25963
+228%

Blender(-)

Ultra 7 155U 353
+347%
Ultra 9 285K 79

Geekbench 5.5 Single-Core

Ultra 7 155U 1689
Ultra 9 285K 2388
+41.4%

7-Zip Single

Ultra 7 155U 4868
Ultra 9 285K 7366
+51.3%

7-Zip

Ultra 7 155U 38495
Ultra 9 285K 129706
+237%

WebXPRT 3

Ultra 7 155U 261
Ultra 9 285K 387
+48.3%

CrossMark Overall

Ultra 7 155U 1463
Ultra 9 285K 2531
+73.1%

WebXPRT 4 Overall

Ultra 7 155U 248
Ultra 9 285K 350
+41.4%

Blender v3.3 Classroom CPU(-)

Ultra 7 155U 641
+419%
Ultra 9 285K 124

Geekbench 6.3 Multi-Core

Ultra 7 155U 8954
Ultra 9 285K 21598
+141%

Geekbench 6.3 Single-Core

Ultra 7 155U 2315
Ultra 9 285K 3283
+41.8%

Gaming performance

Pros & cons summary


Performance score 10.53 43.04
Recency 14 December 2023 24 October 2024
Physical cores 12 24
Threads 14 24
Power consumption (TDP) 15 Watt 125 Watt

Ultra 7 155U has 733.3% lower power consumption.

Ultra 9 285K, on the other hand, has a 308.7% higher aggregate performance score, an age advantage of 10 months, and 100% more physical cores and 71.4% more threads.

The Core Ultra 9 285K is our recommended choice as it beats the Core Ultra 7 155U in performance tests.

Be aware that Core Ultra 7 155U is a notebook processor while Core Ultra 9 285K is a desktop one.


Should you still have questions on choice between Core Ultra 7 155U and Core Ultra 9 285K, ask them in Comments section, and we shall answer.

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Intel Core Ultra 7 155U
Core Ultra 7 155U
Intel Core Ultra 9 285K
Core Ultra 9 285K

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.2 141 vote

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Questions & comments

Here you can ask a question about Core Ultra 7 155U or Core Ultra 9 285K, agree or disagree with our judgements, or report an error or mismatch.